Math (Dataflow Library Distribution Project 7.0.2-37 API)

java.lang.Object
- com.pervasive.datarush.functions.Math

```
public class Math
extends Object
```
Provides implementations of common math functions found in the Math library.

Constructor Summary

Constructors
Constructor and Description

Math()

Constructors
Constructor and Description
`Math()`

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method and Description
`static ScalarValuedFunction`	`abs(ScalarValuedFunction expr)` Returns the absolute value of the given expression.
`static ScalarValuedFunction`	`abs(String field)` Returns the absolute value of the given field.
`static ScalarValuedFunction`	`acos(ScalarValuedFunction expr)` Returns the arc cosine of the given expression using radians.
`static ScalarValuedFunction`	`acos(String field)` Returns the arc cosine of the given field using radians.
`static ScalarValuedFunction`	`asin(ScalarValuedFunction expr)` Returns the arc sine of the given expression using radians.
`static ScalarValuedFunction`	`asin(String field)` Returns the arc sine of the given field using radians.
`static ScalarValuedFunction`	`atan(ScalarValuedFunction expr)` Returns the arc tangent of the given expression using radians.
`static ScalarValuedFunction`	`atan(String field)` Returns the arc tangent of the given field using radians.
`static ScalarValuedFunction`	`atan2(ScalarValuedFunction y, ScalarValuedFunction x)` Returns the angle theta from the conversion of rectangular coordinates (`x`, `y`) to polar coordinates (r, theta).
`static ScalarValuedFunction`	`atan2(String y, String x)` Returns the angle theta from the conversion of rectangular coordinates (x,y) to polar coordinates (r, theta).
`static ScalarValuedFunction`	`cbrt(ScalarValuedFunction expr)` Returns the cube root of the given expression.
`static ScalarValuedFunction`	`cbrt(String field)` Returns the cube root of the given field.
`static ScalarValuedFunction`	`ceil(ScalarValuedFunction expr)` Returns the ceiling of the given expression.
`static ScalarValuedFunction`	`ceil(String field)` Returns the ceiling of the given field.
`static ScalarValuedFunction`	`copySign(ScalarValuedFunction magnitude, ScalarValuedFunction sign)` Returns `magnitude` with the sign of `sign`.
`static ScalarValuedFunction`	`copySign(String magnitude, String sign)` Returns `magnitude` with the sign of `sign`.
`static ScalarValuedFunction`	`cos(ScalarValuedFunction expr)` Returns the cosine of the given expression using radians.
`static ScalarValuedFunction`	`cos(String field)` Returns the cosine of the given field using radians.
`static ScalarValuedFunction`	`cosh(ScalarValuedFunction expr)` Returns the hyperbolic cosine of the given expression using radians.
`static ScalarValuedFunction`	`cosh(String field)` Returns the hyperbolic cosine of the given field using radians.
`static ScalarValuedFunction`	`e()` Returns the constant value e.
`static ScalarValuedFunction`	`exp(ScalarValuedFunction expr)` Returns e raised to the power of the given expression.
`static ScalarValuedFunction`	`exp(String field)` Returns e raised to the power of the given field.
`static ScalarValuedFunction`	`expm1(ScalarValuedFunction expr)` Returns e raised to the power of the given expression minus 1.
`static ScalarValuedFunction`	`expm1(String field)` Returns e raised to the power of the given field minus 1.
`static ScalarValuedFunction`	`floor(ScalarValuedFunction expr)` Returns the floor of the given expression.
`static ScalarValuedFunction`	`floor(String field)` Returns the floor of the given field.
`static ScalarValuedFunction`	`getExponent(ScalarValuedFunction expr)` Returns the unbiased exponent used in the representation of a double or float.
`static ScalarValuedFunction`	`getExponent(String field)` Returns the unbiased exponent used in the representation of a double or float.
`static ScalarValuedFunction`	`hypot(ScalarValuedFunction x, ScalarValuedFunction y)` Returns sqrt(x² + y²) without intermediate overflow or underflow.
`static ScalarValuedFunction`	`hypot(String x, String y)` Returns sqrt(x² + y²) without intermediate overflow or underflow.
`static ScalarValuedFunction`	`IEEEremainder(ScalarValuedFunction dividend, ScalarValuedFunction divisor)` Returns the IEEE 754 standard remainder.
`static ScalarValuedFunction`	`IEEEremainder(String dividend, String divisor)` Returns the IEEE 754 standard remainder.
`static ScalarValuedFunction`	`log(ScalarValuedFunction expr)` Returns the natural logarithm of the given expression.
`static ScalarValuedFunction`	`log(String field)` Returns the natural logarithm of the given field.
`static ScalarValuedFunction`	`log10(ScalarValuedFunction expr)` Returns the base 10 logarithm of the given expression.
`static ScalarValuedFunction`	`log10(String field)` Returns the base 10 logarithm of the given field.
`static ScalarValuedFunction`	`log1p(ScalarValuedFunction expr)` Returns the natural logarithm of 1 plus the given expression.
`static ScalarValuedFunction`	`log1p(String field)` Returns the natural logarithm of 1 plus the given field.
`static ScalarValuedFunction`	`max(List<ScalarValuedFunction> exprs)` Returns the maximum of the argument values.
`static ScalarValuedFunction`	`max(String... fields)` Returns the maximum of the argument values.
`static ScalarValuedFunction`	`maxNotNull(List<ScalarValuedFunction> exprs)` Returns the maximum of the argument values, ignoring null values.
`static ScalarValuedFunction`	`maxNotNull(String... fields)` Returns the maximum of the argument values, ignoring null values.
`static ScalarValuedFunction`	`min(List<ScalarValuedFunction> exprs)` Returns the minimum of the argument values.
`static ScalarValuedFunction`	`min(String... fields)` Returns the minimum of the argument values.
`static ScalarValuedFunction`	`minNotNull(List<ScalarValuedFunction> exprs)` Returns the minimum of the argument values, ignoring null values.
`static ScalarValuedFunction`	`minNotNull(String... fields)` Returns the minimum of the argument values, ignoring null values.
`static ScalarValuedFunction`	`nextAfter(ScalarValuedFunction start, ScalarValuedFunction direction)` Returns the floating point number adjacent to the first argument in the direction of the second argument.
`static ScalarValuedFunction`	`nextAfter(String start, String direction)` Returns the floating point number adjacent to the first argument in the direction of the second argument.
`static ScalarValuedFunction`	`nextUp(ScalarValuedFunction start)` Returns the floating point number adjacent to the argument in the direction of positive infinity.
`static ScalarValuedFunction`	`nextUp(String start)` Returns the floating point number adjacent to the argument in the direction of positive infinity.
`static ScalarValuedFunction`	`pi()` Returns the constant value pi.
`static ScalarValuedFunction`	`pow(ScalarValuedFunction base, ScalarValuedFunction exponent)` Returns `base` raised to the `exponent` power.
`static ScalarValuedFunction`	`pow(String base, String exponent)` Returns `base` raised to the `exponent` power.
`static ScalarValuedFunction`	`precision(ScalarValuedFunction expr)` Return the precision of the given expression.
`static ScalarValuedFunction`	`precision(String field)` Returns the precision of the field.
`static ScalarValuedFunction`	`random()` Returns a random double value greater than or equal to 0 and less than 1.
`static ScalarValuedFunction`	`rint(ScalarValuedFunction expr)` Returns the double value closest to the given expression and equal to a mathematical integer.
`static ScalarValuedFunction`	`rint(String field)` Returns the double value closest to the given field and equal to a mathematical integer.
`static ScalarValuedFunction`	`round(ScalarValuedFunction expr)` Returns the expression rounded to the nearest whole number.
`static ScalarValuedFunction`	`round(String field)` Returns the expression rounded to the nearest whole number.
`static ScalarValuedFunction`	`scalb(ScalarValuedFunction expr, ScalarValuedFunction scaleFactor)` Returns `expr` × 2^scaleFactor rounded as if performed by a single correctly rounded floating-point multiply to a member of the double or float value set.
`static ScalarValuedFunction`	`scalb(String expr, String scaleFactor)` Returns `expr` × 2^scaleFactor rounded as if performed by a single correctly rounded floating-point multiply to a member of the double or float value set.
`static ScalarValuedFunction`	`scale(ScalarValuedFunction expr)` Return the scale of the given expression.
`static ScalarValuedFunction`	`scale(String field)` Returns the scale of the field.
`static ScalarValuedFunction`	`signum(ScalarValuedFunction expr)` Returns the signum function of the expression: 0 if the expression is zero, 1 if it is greater than zero, or -1 if it is less than 0.
`static ScalarValuedFunction`	`signum(String field)` Returns the signum function of the expression: 0 if the expression is zero, 1 if it is greater than zero, or -1 if it is less than 0.
`static ScalarValuedFunction`	`sin(ScalarValuedFunction expr)` Returns the sine of the given expression using radians.
`static ScalarValuedFunction`	`sin(String field)` Returns the sine of the given field using radians.
`static ScalarValuedFunction`	`sinh(ScalarValuedFunction expr)` Returns the hyperbolic sine of the given expression using radians.
`static ScalarValuedFunction`	`sinh(String field)` Returns the hyperbolic sine of the given field using radians.
`static ScalarValuedFunction`	`sqrt(ScalarValuedFunction expr)` Returns the square root of the given expression.
`static ScalarValuedFunction`	`sqrt(String field)` Returns the square root of the given field.
`static ScalarValuedFunction`	`tan(ScalarValuedFunction expr)` Returns the tangent of the given expression using radians.
`static ScalarValuedFunction`	`tan(String field)` Returns the tangent of the given field using radians.
`static ScalarValuedFunction`	`tanh(ScalarValuedFunction expr)` Returns the hyperbolic tangent of the given expression using radians.
`static ScalarValuedFunction`	`tanh(String field)` Returns the hyperbolic tangent of the given field using radians.
`static ScalarValuedFunction`	`toDegrees(ScalarValuedFunction expr)` Returns the radian expression in degrees.
`static ScalarValuedFunction`	`toDegrees(String field)` Returns the radian expression in degrees.
`static ScalarValuedFunction`	`toRadians(ScalarValuedFunction expr)` Returns the degree expression in radians.
`static ScalarValuedFunction`	`toRadians(String field)` Returns the degree expression in radians.
`static ScalarValuedFunction`	`ulp(ScalarValuedFunction expr)` Returns the size of an ulp of the expression.
`static ScalarValuedFunction`	`ulp(String field)` Returns the size of an ulp of the expression.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - Math
```
public Math()
```
- Method Detail
  - abs
```
public static ScalarValuedFunction abs(String field)
```
    Returns the absolute value of the given field.
    
    Parameters:
    
    field - the field containing a numeric expression
    
    Returns:
    
    a function that computes the absolute value
  - abs
```
public static ScalarValuedFunction abs(ScalarValuedFunction expr)
```
    Returns the absolute value of the given expression.
    
    Parameters:
    
    expr - the numeric expression
    
    Returns:
    
    a function that computes the absolute value
  - acos
```
public static ScalarValuedFunction acos(String field)
```
    Returns the arc cosine of the given field using radians.
    
    Parameters:
    
    field - the field containing a numeric expression
    
    Returns:
    
    a function that computes the arc cosine
  - acos
```
public static ScalarValuedFunction acos(ScalarValuedFunction expr)
```
    Returns the arc cosine of the given expression using radians.
    
    Parameters:
    
    expr - the numeric expression
    
    Returns:
    
    a function that computes the arc cosine
  - asin
```
public static ScalarValuedFunction asin(String field)
```
    Returns the arc sine of the given field using radians.
    
    Parameters:
    
    field - the field containing a numeric expression
    
    Returns:
    
    a function that computes the arc sine
  - asin
```
public static ScalarValuedFunction asin(ScalarValuedFunction expr)
```
    Returns the arc sine of the given expression using radians.
    
    Parameters:
    
    expr - the numeric expression
    
    Returns:
    
    a function that computes the arc sine
  - atan
```
public static ScalarValuedFunction atan(String field)
```
    Returns the arc tangent of the given field using radians.
    
    Parameters:
    
    field - the field containing a numeric expression
    
    Returns:
    
    a function that computes the arc tangent
  - atan
```
public static ScalarValuedFunction atan(ScalarValuedFunction expr)
```
    Returns the arc tangent of the given expression using radians.
    
    Parameters:
    
    expr - the numeric expression
    
    Returns:
    
    a function that computes the arc tangent
  - atan2
```
public static ScalarValuedFunction atan2(String y,
                                         String x)
```
    Returns the angle theta from the conversion of rectangular coordinates (x,y) to polar coordinates (r, theta).
    
    Parameters:
    
    y - the field containing a numeric expression y
    
    x - the field containing a numeric expression x
    
    Returns:
    
    a function that computes theta
  - atan2
```
public static ScalarValuedFunction atan2(ScalarValuedFunction y,
                                         ScalarValuedFunction x)
```
    Returns the angle theta from the conversion of rectangular coordinates (x, y) to polar coordinates (r, theta).
    
    Parameters:
    
    y - the numeric expression y
    
    x - the numeric expression x
    
    Returns:
    
    a function that computes theta
  - cbrt
```
public static ScalarValuedFunction cbrt(String field)
```
    Returns the cube root of the given field.
    
    Parameters:
    
    field - the field containing a numeric expression
    
    Returns:
    
    a function that computes the cube root
  - cbrt
```
public static ScalarValuedFunction cbrt(ScalarValuedFunction expr)
```
    Returns the cube root of the given expression.
    
    Parameters:
    
    expr - the numeric expression
    
    Returns:
    
    a function that computes the cube root
  - ceil
```
public static ScalarValuedFunction ceil(String field)
```
    Returns the ceiling of the given field.
    
    Parameters:
    
    field - the field containing a numeric expression
    
    Returns:
    
    a function that computes the ceiling
  - ceil
```
public static ScalarValuedFunction ceil(ScalarValuedFunction expr)
```
    Returns the ceiling of the given expression.
    
    Parameters:
    
    expr - the numeric expression
    
    Returns:
    
    a function that computes the ceiling
  - copySign
```
public static ScalarValuedFunction copySign(String magnitude,
                                            String sign)
```
    Returns magnitude with the sign of sign.
    
    Parameters:
    
    magnitude - a field containing a numeric expression
    
    sign - a field containing a numeric expression
    
    Returns:
    
    a function that returns magnitude with the sign of sign
  - copySign
```
public static ScalarValuedFunction copySign(ScalarValuedFunction magnitude,
                                            ScalarValuedFunction sign)
```
    Returns magnitude with the sign of sign.
    
    Parameters:
    
    magnitude - a numeric expression
    
    sign - a numeric expression
    
    Returns:
    
    a function that returns magnitude with the sign of sign
  - cos
```
public static ScalarValuedFunction cos(String field)
```
    Returns the cosine of the given field using radians.
    
    Parameters:
    
    field - the field containing a numeric expression
    
    Returns:
    
    a function that computes the cosine
  - cos
```
public static ScalarValuedFunction cos(ScalarValuedFunction expr)
```
    Returns the cosine of the given expression using radians.
    
    Parameters:
    
    expr - the numeric expression
    
    Returns:
    
    a function that computes the cosine
  - cosh
```
public static ScalarValuedFunction cosh(String field)
```
    Returns the hyperbolic cosine of the given field using radians.
    
    Parameters:
    
    field - the field containing a numeric expression
    
    Returns:
    
    a function that computes the hyperbolic cosine
  - cosh
```
public static ScalarValuedFunction cosh(ScalarValuedFunction expr)
```
    Returns the hyperbolic cosine of the given expression using radians.
    
    Parameters:
    
    expr - the numeric expression
    
    Returns:
    
    a function that computes the hyperbolic cosine
  - e
```
public static ScalarValuedFunction e()
```
    Returns the constant value e.
    
    Returns:
    
    a constant reference to the double value e
  - exp
```
public static ScalarValuedFunction exp(String field)
```
    Returns e raised to the power of the given field.
    
    Parameters:
    
    field - the field containing a numeric expression
    
    Returns:
    
    a function that computes e raised to a power
  - exp
```
public static ScalarValuedFunction exp(ScalarValuedFunction expr)
```
    Returns e raised to the power of the given expression.
    
    Parameters:
    
    expr - the numeric expression
    
    Returns:
    
    a function that computes e raised to a power
  - expm1
```
public static ScalarValuedFunction expm1(String field)
```
    Returns e raised to the power of the given field minus 1.
    
    Parameters:
    
    field - the field containing a numeric expression
    
    Returns:
    
    a function that computes e raised to a power minus 1
  - expm1
```
public static ScalarValuedFunction expm1(ScalarValuedFunction expr)
```
    Returns e raised to the power of the given expression minus 1.
    
    Parameters:
    
    expr - the numeric expression
    
    Returns:
    
    a function that computes e raised to a power minus 1
  - floor
```
public static ScalarValuedFunction floor(String field)
```
    Returns the floor of the given field.
    
    Parameters:
    
    field - the field containing a numeric expression
    
    Returns:
    
    a function that computes the floor
  - floor
```
public static ScalarValuedFunction floor(ScalarValuedFunction expr)
```
    Returns the floor of the given expression.
    
    Parameters:
    
    expr - the numeric expression
    
    Returns:
    
    a function that computes the floor
  - getExponent
```
public static ScalarValuedFunction getExponent(String field)
```
    Returns the unbiased exponent used in the representation of a double or float.
    
    Parameters:
    
    field - the field containing a double or float value
    
    Returns:
    
    a function that computes the unbiased exponent used in the representation of a double or float
  - getExponent
```
public static ScalarValuedFunction getExponent(ScalarValuedFunction expr)
```
    Returns the unbiased exponent used in the representation of a double or float.
    
    Parameters:
    
    field - a double or float value
    
    Returns:
    
    a function that computes the unbiased exponent used in the representation of a double or float
  - hypot
```
public static ScalarValuedFunction hypot(String x,
                                         String y)
```
    Returns sqrt(x² + y²) without intermediate overflow or underflow.
    
    Parameters:
    
    x - the field containing a numeric expression x
    
    y - the field containing a numeric expression y
    
    Returns:
    
    a function that computes sqrt(x² + y²)
  - hypot
```
public static ScalarValuedFunction hypot(ScalarValuedFunction x,
                                         ScalarValuedFunction y)
```
    Returns sqrt(x² + y²) without intermediate overflow or underflow.
    
    Parameters:
    
    x - the numeric expression x
    
    y - the numeric expression y
    
    Returns:
    
    a function that computes sqrt(x² + y²)
  - IEEEremainder
```
public static ScalarValuedFunction IEEEremainder(String dividend,
                                                 String divisor)
```
    Returns the IEEE 754 standard remainder.
    
    Parameters:
    
    dividend - the field containing the dividend numeric expression
    
    divisor - the field containing the divisor numeric expression
    
    Returns:
    
    a function that computes the remainder
  - IEEEremainder
```
public static ScalarValuedFunction IEEEremainder(ScalarValuedFunction dividend,
                                                 ScalarValuedFunction divisor)
```
    Returns the IEEE 754 standard remainder.
    
    Parameters:
    
    dividend - the dividend numeric expression
    
    divisor - the divisor numeric expression
    
    Returns:
    
    a function that computes the remainder
  - log
```
public static ScalarValuedFunction log(String field)
```
    Returns the natural logarithm of the given field.
    
    Parameters:
    
    field - the field containing a numeric expression
    
    Returns:
    
    a function that computes the natural logarithm
  - log
```
public static ScalarValuedFunction log(ScalarValuedFunction expr)
```
    Returns the natural logarithm of the given expression.
    
    Parameters:
    
    expr - the numeric expression
    
    Returns:
    
    a function that computes the natural logarithm
  - log10
```
public static ScalarValuedFunction log10(String field)
```
    Returns the base 10 logarithm of the given field.
    
    Parameters:
    
    field - the field containing a numeric expression
    
    Returns:
    
    a function that computes the base 10 logarithm
  - log10
```
public static ScalarValuedFunction log10(ScalarValuedFunction expr)
```
    Returns the base 10 logarithm of the given expression.
    
    Parameters:
    
    expr - the numeric expression
    
    Returns:
    
    a function that computes the base 10 logarithm
  - log1p
```
public static ScalarValuedFunction log1p(String field)
```
    Returns the natural logarithm of 1 plus the given field.
    
    Parameters:
    
    field - the field containing a numeric expression
    
    Returns:
    
    a function that computes the natural logarithm of 1 plus a value
  - log1p
```
public static ScalarValuedFunction log1p(ScalarValuedFunction expr)
```
    Returns the natural logarithm of 1 plus the given expression.
    
    Parameters:
    
    expr - the numeric expression
    
    Returns:
    
    a function that computes the natural logarithm of 1 plus a value
  - max
```
public static ScalarValuedFunction max(String... fields)
```
    Returns the maximum of the argument values. If any value is null, the result will be null.
    
    Parameters:
    
    fields - the fields containing the first expressions
    
    Returns:
    
    a function that returns the max
  - max
```
public static ScalarValuedFunction max(List<ScalarValuedFunction> exprs)
```
    Returns the maximum of the argument values. If any value is null, the result will be null.
    
    Parameters:
    
    exprs - the numeric expressions
    
    Returns:
    
    a function that returns the max
  - maxNotNull
```
public static ScalarValuedFunction maxNotNull(String... fields)
```
    Returns the maximum of the argument values, ignoring null values.
    
    Parameters:
    
    fields - the fields containing the first expressions
    
    Returns:
    
    a function that returns the max
  - maxNotNull
```
public static ScalarValuedFunction maxNotNull(List<ScalarValuedFunction> exprs)
```
    Returns the maximum of the argument values, ignoring null values.
    
    Parameters:
    
    exprs - the numeric expressions
    
    Returns:
    
    a function that returns the max
  - min
```
public static ScalarValuedFunction min(String... fields)
```
    Returns the minimum of the argument values. If any value is null, the result will be null.
    
    Parameters:
    
    fields - the fields containing the numeric expressions
    
    Returns:
    
    a function that returns the min
  - min
```
public static ScalarValuedFunction min(List<ScalarValuedFunction> exprs)
```
    Returns the minimum of the argument values. If any value is null, the result will be null.
    
    Parameters:
    
    exprs - the numeric expressions
    
    Returns:
    
    a function that returns the min
  - minNotNull
```
public static ScalarValuedFunction minNotNull(String... fields)
```
    Returns the minimum of the argument values, ignoring null values.
    
    Parameters:
    
    fields - the fields containing the numeric expressions
    
    Returns:
    
    a function that returns the min
  - minNotNull
```
public static ScalarValuedFunction minNotNull(List<ScalarValuedFunction> exprs)
```
    Returns the minimum of the argument values, ignoring null values.
    
    Parameters:
    
    exprs - the numeric expressions
    
    Returns:
    
    a function that returns the min
  - nextAfter
```
public static ScalarValuedFunction nextAfter(String start,
                                             String direction)
```
    Returns the floating point number adjacent to the first argument in the direction of the second argument.
    
    Parameters:
    
    start - the field containing the start expression
    
    direction - the field containing the direction expression
    
    Returns:
    
    a function that returns the next floating point number
  - nextAfter
```
public static ScalarValuedFunction nextAfter(ScalarValuedFunction start,
                                             ScalarValuedFunction direction)
```
    Returns the floating point number adjacent to the first argument in the direction of the second argument.
    
    Parameters:
    
    start - the start expression
    
    direction - the direction expression
    
    Returns:
    
    a function that returns the next floating point number
  - nextUp
```
public static ScalarValuedFunction nextUp(String start)
```
    Returns the floating point number adjacent to the argument in the direction of positive infinity.
    
    Parameters:
    
    start - the field containing the start expression
    
    Returns:
    
    a function that returns the next floating point number
  - nextUp
```
public static ScalarValuedFunction nextUp(ScalarValuedFunction start)
```
    Returns the floating point number adjacent to the argument in the direction of positive infinity.
    
    Parameters:
    
    start - the start expression
    
    Returns:
    
    a function that returns the next floating point number
  - pi
```
public static ScalarValuedFunction pi()
```
    Returns the constant value pi.
    
    Returns:
    
    a constant reference to the double value pi
  - pow
```
public static ScalarValuedFunction pow(String base,
                                       String exponent)
```
    Returns base raised to the exponent power.
    
    Parameters:
    
    base - the field containing the base numeric expression
    
    exponent - the field containing the exponent numeric expression
    
    Returns:
    
    a function that computes base^exponent
  - pow
```
public static ScalarValuedFunction pow(ScalarValuedFunction base,
                                       ScalarValuedFunction exponent)
```
    Returns base raised to the exponent power.
    
    Parameters:
    
    base - the base numeric expression
    
    exponent - the exponent numeric expression
    
    Returns:
    
    a function that computes base^exponent
  - precision
```
public static ScalarValuedFunction precision(String field)
```
    Returns the precision of the field.
    
    Parameters:
    
    field - the field containing the numeric expression
    
    Returns:
    
    a function that returns the precision
  - precision
```
public static ScalarValuedFunction precision(ScalarValuedFunction expr)
```
    Return the precision of the given expression.
    
    Parameters:
    
    expr - the numeric expression
    
    Returns:
    
    a function that returns the precision
  - random
```
public static ScalarValuedFunction random()
```
    Returns a random double value greater than or equal to 0 and less than 1.
    
    Returns:
    
    a function that returns a random value
  - rint
```
public static ScalarValuedFunction rint(String field)
```
    Returns the double value closest to the given field and equal to a mathematical integer.
    
    Parameters:
    
    field - the field containing a numeric expression
    
    Returns:
    
    a function that rounds
  - rint
```
public static ScalarValuedFunction rint(ScalarValuedFunction expr)
```
    Returns the double value closest to the given expression and equal to a mathematical integer.
    
    Parameters:
    
    expr - the numeric expression
    
    Returns:
    
    a function that rounds
  - round
```
public static ScalarValuedFunction round(String field)
```
    Returns the expression rounded to the nearest whole number.
    
    Parameters:
    
    field - the field containing the numeric expression
    
    Returns:
    
    a function that rounds
  - round
```
public static ScalarValuedFunction round(ScalarValuedFunction expr)
```
    Returns the expression rounded to the nearest whole number.
    
    Parameters:
    
    start - the numeric expression
    
    Returns:
    
    a function that rounds
  - scalb
```
public static ScalarValuedFunction scalb(String expr,
                                         String scaleFactor)
```
    Returns expr × 2^scaleFactor rounded as if performed by a single correctly rounded floating-point multiply to a member of the double or float value set.
    
    Parameters:
    
    expr - the field containing the base expression
    
    scaleFactor - the field containing the scale factor
    
    Returns:
    
    a function that returns expr × 2^scaleFactor
  - scalb
```
public static ScalarValuedFunction scalb(ScalarValuedFunction expr,
                                         ScalarValuedFunction scaleFactor)
```
    Returns expr × 2^scaleFactor rounded as if performed by a single correctly rounded floating-point multiply to a member of the double or float value set.
    
    Parameters:
    
    expr - the base expression
    
    scaleFactor - the scale factor
    
    Returns:
    
    a function that returns expr × 2^scaleFactor
  - scale
```
public static ScalarValuedFunction scale(String field)
```
    Returns the scale of the field.
    
    Parameters:
    
    field - the field containing the numeric expression
    
    Returns:
    
    a function that returns the scale
  - scale
```
public static ScalarValuedFunction scale(ScalarValuedFunction expr)
```
    Return the scale of the given expression.
    
    Parameters:
    
    expr - the numeric expression
    
    Returns:
    
    a function that returns the scale
  - signum
```
public static ScalarValuedFunction signum(String field)
```
    Returns the signum function of the expression: 0 if the expression is zero, 1 if it is greater than zero, or -1 if it is less than 0.
    
    Parameters:
    
    field - the field containing the numeric expression
    
    Returns:
    
    a function that returns the signum function
  - signum
```
public static ScalarValuedFunction signum(ScalarValuedFunction expr)
```
    Returns the signum function of the expression: 0 if the expression is zero, 1 if it is greater than zero, or -1 if it is less than 0.
    
    Parameters:
    
    expr - the numeric expression
    
    Returns:
    
    a function that returns the signum function
  - sin
```
public static ScalarValuedFunction sin(String field)
```
    Returns the sine of the given field using radians.
    
    Parameters:
    
    field - the field containing a numeric expression
    
    Returns:
    
    a function that computes the sine
  - sin
```
public static ScalarValuedFunction sin(ScalarValuedFunction expr)
```
    Returns the sine of the given expression using radians.
    
    Parameters:
    
    expr - the numeric expression
    
    Returns:
    
    a function that computes the sine
  - sinh
```
public static ScalarValuedFunction sinh(String field)
```
    Returns the hyperbolic sine of the given field using radians.
    
    Parameters:
    
    field - the field containing a numeric expression
    
    Returns:
    
    a function that computes the hyperbolic sine
  - sinh
```
public static ScalarValuedFunction sinh(ScalarValuedFunction expr)
```
    Returns the hyperbolic sine of the given expression using radians.
    
    Parameters:
    
    expr - the numeric expression
    
    Returns:
    
    a function that computes the hyperbolic sine
  - sqrt
```
public static ScalarValuedFunction sqrt(String field)
```
    Returns the square root of the given field.
    
    Parameters:
    
    field - the field containing a numeric expression
    
    Returns:
    
    a function that computes the square root
  - sqrt
```
public static ScalarValuedFunction sqrt(ScalarValuedFunction expr)
```
    Returns the square root of the given expression.
    
    Parameters:
    
    expr - the numeric expression
    
    Returns:
    
    a function that computes the square root
  - tan
```
public static ScalarValuedFunction tan(String field)
```
    Returns the tangent of the given field using radians.
    
    Parameters:
    
    field - the field containing a numeric expression
    
    Returns:
    
    a function that computes the tangent
  - tan
```
public static ScalarValuedFunction tan(ScalarValuedFunction expr)
```
    Returns the tangent of the given expression using radians.
    
    Parameters:
    
    expr - the numeric expression
    
    Returns:
    
    a function that computes the tangent
  - tanh
```
public static ScalarValuedFunction tanh(String field)
```
    Returns the hyperbolic tangent of the given field using radians.
    
    Parameters:
    
    field - the field containing a numeric expression
    
    Returns:
    
    a function that computes the hyperbolic tangent
  - tanh
```
public static ScalarValuedFunction tanh(ScalarValuedFunction expr)
```
    Returns the hyperbolic tangent of the given expression using radians.
    
    Parameters:
    
    expr - the numeric expression
    
    Returns:
    
    a function that computes the hyperbolic tangent
  - toDegrees
```
public static ScalarValuedFunction toDegrees(String field)
```
    Returns the radian expression in degrees.
    
    Parameters:
    
    field - the field containing a numeric expression
    
    Returns:
    
    a function that converts radians to degrees
  - toDegrees
```
public static ScalarValuedFunction toDegrees(ScalarValuedFunction expr)
```
    Returns the radian expression in degrees.
    
    Parameters:
    
    expr - the numeric expression
    
    Returns:
    
    a function that converts radians to degrees
  - toRadians
```
public static ScalarValuedFunction toRadians(String field)
```
    Returns the degree expression in radians.
    
    Parameters:
    
    field - the field containing a numeric expression
    
    Returns:
    
    a function that converts degrees to radians
  - toRadians
```
public static ScalarValuedFunction toRadians(ScalarValuedFunction expr)
```
    Returns the degree expression in radians.
    
    Parameters:
    
    expr - the numeric expression
    
    Returns:
    
    a function that converts degrees to radians
  - ulp
```
public static ScalarValuedFunction ulp(String field)
```
    Returns the size of an ulp of the expression.
    
    Parameters:
    
    field - the field containing the numeric expression
    
    Returns:
    
    a function that returns the ulp size
  - ulp
```
public static ScalarValuedFunction ulp(ScalarValuedFunction expr)
```
    Returns the size of an ulp of the expression.
    
    Parameters:
    
    expr - the numeric expression
    
    Returns:
    
    a function that returns the ulp size

Class Math

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

Math

Method Detail

abs

abs

acos

acos

asin

asin

atan

atan

atan2

atan2

cbrt

cbrt

ceil

ceil

copySign

copySign

cos

cos

cosh

cosh

e

exp

exp

expm1

expm1

floor

floor

getExponent

getExponent

hypot

hypot

IEEEremainder

IEEEremainder

log

log

log10

log10

log1p

log1p

max

max

maxNotNull

maxNotNull

min

min

minNotNull

minNotNull

nextAfter

nextAfter

nextUp

nextUp

pi

pow

pow

precision

precision

random

rint

rint

round

round

scalb

scalb

scale

scale

signum

signum

sin

sin

sinh

sinh

sqrt

sqrt